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Re: [RFC][PATCH 3/5] PM core: Make async suspend/resume of devices use device links

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  Re: [RFC][PATCH 3/5] PM core: Make async suspend/resume of devices  use device links Mark Brown <broonie@kernel.org> - 2016-06-08 15:00 +0200

#1417383 — Re: [RFC][PATCH 3/5] PM core: Make async suspend/resume of devices use device links

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On Thu, Jan 14, 2016 at 02:55:25AM +0100, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> 
> Make the device suspend/resume part of the core system
> suspend/resume code use device links to ensure that supplier
> and consumer devices will be suspended and resumed in the right
> order in case of async suspend/resume.
> 
> The idea, roughly, is to use dpm_wait() to wait for all consumers
> before a supplier device suspend and to wait for all suppliers
> before a consumer device resume.

Same question with parents using their child - I'm thinking that perhaps
we can arrange for the struct device of the parent to get used and
ignore the child device outside of the MFD.

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